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Evolutionary Studies at PeerJ

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High abundance of Early Miocene sea cows from Qatar shows repeated evolution of seagrass ecosystem engineers in Eastern Tethys

Nicholas D. Pyenson, Ferhan Sakal, Jacques LeBlanc, Jon Blundell, Katherine D. Klim, Christopher D. Marshall, Jorge Velez-Juarbe, Katherine Wolfe, Faisal Al-Naimi

Sex ratios in flux: seasonal dynamics and methodological insights in Rumex species

Barbara Pawełek, Dagmara Kwolek, Grzegorz Góralski

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Mandibular form and function is more disparate in amniotes than in non-amniote tetrapods from the late Palaeozoic

Jasper Ponstein, Mark J. MacDougall, Joep Schaeffer, Christian F. Kammerer, Jörg Fröbisch

Resistance of cervical vertebrae in response to muscular stresses in pterosaurs: implications for foraging habits and skeletal pneumatization

Richard Buchmann, Taissa Rodrigues

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A brief introduction to mixed effects modelling and multi-model inference in ecology

Xavier A. Harrison, Lynda Donaldson, Maria Eugenia Correa-Cano, Julian Evans, David N. Fisher, Cecily E.D. Goodwin, Beth S. Robinson, David J. Hodgson, Richard Inger

170,362 views · 30,357 downloads

Sizing ocean giants: patterns of intraspecific size variation in marine megafauna

Craig R. McClain, Meghan A. Balk, Mark C. Benfield, Trevor A. Branch, Catherine Chen, James Cosgrove, Alistair D.M. Dove, Leo Gaskins, Rebecca R. Helm, Frederick G. Hochberg, Frank B. Lee, Andrea Marshall, Steven E. McMurray, Caroline Schanche, Shane N. Stone, Andrew D. Thaler

148,902 views · 7,471 downloads

Are Toxoplasma-infected subjects more attractive, symmetrical, or healthier than non-infected ones? Evidence from subjective and objective measurements

Javier I. Borráz-León, Markus J. Rantala, Indrikis A. Krams, Ana Lilia Cerda-Molina, Jorge Contreras-Garduño

80,110 views · 2,022 downloads

The relationship of female physical attractiveness to body fatness

Guanlin Wang, Kurosh Djafarian, Chima A. Egedigwe, Asmaa El Hamdouchi, Robert Ojiambo, Harris Ramuth, Sandra Johanna Wallner-Liebmann, Sonja Lackner, Adama Diouf, Justina Sauciuvenaite, Catherine Hambly, Lobke M. Vaanholt, Mark D. Faries, John R. Speakman

63,281 views · 3,871 downloads

The effect of habitual and experimental antiperspirant and deodorant product use on the armpit microbiome

Julie Urban, Daniel J. Fergus, Amy M. Savage, Megan Ehlers, Holly L. Menninger, Robert R. Dunn, Julie E. Horvath

59,762 views · 3,280 downloads